Stutensee, march 8, 2011. The leading packaging machine manufacturer oystar will present a completely innovation at interpack 2011 &ndash namely, an ergonomically designed hmi panel with futureoriented technology with which every oystar machine will be equipped from now on. The panel standardizes operation of all of the company&rsquos machines through uniform hardware and software so that customers &ndash no matter which oystar machines they use for manufacturing &ndash now only have to adhere to a single navigation concept.